[Boost-build] [msvc] Using the 64-bit assembler

From: Juergen Hunold (juergen.hunold_at_[hidden])
Date: 2007-12-19 10:12:25

Hi !

I'm trying to build our application for 64-bit Windows using 
address-model=64.  Unfortunately, we have some assembler for supporting 
legycy code on Windows, resulting in (of course different) 32 and 64bit 
assembler files.
Now comes the question: How do I select the 64-bit assembler 
named "ml64" ?
 I've tried

using msvc : 8.0 : : <address-model>64:<assembler>ml64 ;
but had no luck.

The default-assembler is hardcoded to "ml" in msvc.jam. The defaults for 
the assembler ("-coff -Zp4") are suspicious, too. They look like 32bit 
options... 
Hacking msvc.jam to use "ml64" enabled me to build the assembler file, 
but with warnings about above flags. And it is no real solution :-((

This is not a showstopper, but would be nice to have it working...

Any ideas ?

Jürgen
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